package StructuralPatterns.Decorator.StarBuck;

public abstract class Drink {

  public String des;
  private float price = 0.0f;

  public String getDes() {
    return des;
  }

  public void setDes(String des) {
    this.des = des;
  }

  public float getPrice() {
    return price;
  }

  public void setPrice(float price) {
    this.price = price;
  }

//  计算费用的方法
  public abstract float cost();
}
